phase definition
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Phase (matter) A simple description is that a phase is a region of material that is chemically uniform, physically distinct, and (often) mechanically separable. In a system consisting of ice and water in a glass jar, the ice cubes are one phase, the water is a second phase, and the humid air over the water is a third phase.
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phase Phases of the moon. The definition of a phase is a distinct period of time in something's development. An example of a phase is the final part of a multiple part landscaping project. An example of a phase is when you can the various shapes of the moon.
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Cultural Anthropology Phases of life cycle rituals. 1. the initiate (the person undergoing the ritual) is separated physically, socially or symbolically from normal life. special dress may mark the separation. 2. transitional phase, liminal phase - is the time when the person is no longer in the first phase but not yet in the next stage.
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Introduction to Computer Music: Volume One Phase denotes a particular point in the cycle of a waveform, measured as an angle in degrees. It is normally not an audible characteristic of a single wave (but can be when we use very low-frequency waves as controls in synthesis).
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Phase Changes and Heating Curves In chemistry, phase refers to one of the four states that a substance can exist in; liquid, solid, gas, or plasma. A phase has uniform composition and properties. A phase change is when a substance changes from one phase to another.Freezing is when a liquid changes phase and becomes a solid. Freezing involves the loss of energy in the form of heat. At freezing, not only is there a loss of energy, but there is also an increase in the order of the particles in the substance.n chemistry, phase refers to one of the four states that a substance can exist in; liquid, solid, gas, or plasma. A phase has uniform composition and properties. A phase change is when a substance changes from one phase to another. Every change has a different name.
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- Biology A characteristic form, appearance, or stage of development that occurs in a cycle or that distinguishes some individuals of a group: the white color phase of a weasel; the swarming phase of locusts.
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Phase (matter) Because phase boundaries relate to changes in the organization of matter, such as a change from liquid to solid or a more subtle change from one crystal structure to another, this latter usage is similar to the use of phase as a synonym for state of matter.owever, the state of matter and phase diagram usages are not commensurate with the formal definition given above and the intended meaning must be determined in part from the context in which the term is used.
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PHASE OF THE MOON • PHASE OF THE MOON (noun). The noun PHASE OF THE MOON has 1 sense: 1. a time when the moon presents a particular recurring appearance. Familiarity information: PHASE OF THE MOON used as a noun is very rare.
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What does phase mean in chemistry? Arsh Dixit, Chemistry runs in my blood ... Phase Definition: a physically distinctive form of matter, such as a solid, liquid, gas or plasma.A phase of matter is characterized by having relatively uniform chemical and physical properties. Phases are different from states of matter. The states of matter (e.g., liquid, solid,gas) are phases, but matter can exist in different phases yet the same state of matter. For example, mixtures can exist in multiple phases, such as an oil phase and an aqueous phase.
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M phase Definition of M phase. : the period in the cell cycle during which cell division takes place — compare g1 phase, g2 phase, s phase.
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- moving phase, n in chromatography, the gas that carries the vapors from the investigated sample all the way through the column of the gas-liquid chromatograph. mobile phase.
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- aqueous phase. a fluid stage of a substance that is based on water in a liquid state, such as a solution of a substance in water. a·que·ous phase. (ā'kwē-ŭs fāz) The water portion of a system consisting of two liquid phases, one mainly water, the other a liquid immiscible with water (e.g., benzene, ether).
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phase Definition of phase. 1  1 : a particular appearance or state in a regularly recurring cycle of changes phases of the moon. 2  2a : a distinguishable part in a course, development, or cycle the early phases of her careerb : an aspect or part (as of a problem) under consideration.
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What does it mean, in phase, out of phase in voltage & current at power system? In phase means that the AC voltage and current vary together in time; when the voltage reaches its peak so does the current, and when the voltage is zero, so is the current. The instantaneous current is always proportional to the instantaneous voltage.
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Phase Phase. When capacitors or inductors are involved in an AC circuit, the current and voltage do not peak at the same time. The fraction of a period difference between the peaks expressed in degrees is said to be the phase difference.
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phase of the moon period, period of time, time period-an amount of time; a time period of 30 years; hastened the period of time of his recovery; Picasso's blue period. new moon, new phase of the moon-the time at which the Moon appears as a narrow waxing crescent.
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S phase S phase a part of the cell cycle near the end of interphase, during which DNA is synthesized; it comes between the G1 and G2 phases. the period of the cell cycle when there is synthesis of DNA and histone; it occurs between the gap1 and gap2 periods. Synonym(s): S phase.
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Phase Shift Definition of Phase Shift. With regard to wave motion, a phase shift represents the amount a wave has shifted horizontally from the original wave. Phase shifts are typically measured in degrees where a complete cycle is 360 degrees. In the diagram below, the second wave is shifted by the specified amount from the original wave: Because the horizontal axis denotes time, a phase shift represents a shift in time from the original wave.
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mobile-phase (chemistry) The liquid or gas that flows through a chromatography system, moving the materials to be separated at different rates over the stationary phase.
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Define â Phase 1 (of 5) of Lean Six Sigma The Define Phase is the first phase of the Lean Six Sigma improvement process. In this phase, the leaders of the project create a Project Charter, create a high-level view of the process, and begin to understand the needs of the customers of the process.
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Phase (matter) In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform. Examples of physical properties include density, index of refraction, magnetization and chemical composition.owever, the state of matter and phase diagram usages are not commensurate with the formal definition given above and the intended meaning must be determined in part from the context in which the term is used.
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- Gateway Locations. Gateway, Inc. 7565 Irvine Center Drive Irvine, CA 92618. Customer Service P.O. Box 6137 Temple, TX 76503. The above address is for correspondence only. We cannot accept products at this address. Visit customer service to learn more about mailing a product for service or return. Media
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Advanced Classical Mechanics/Phase Space Advanced Classical Mechanics/Phase Space. Phase space refers to the plotting of both a particle's momentum and position on a two dimensional graph. It also refers to the tracking of N particles in a 2N dimensional space. In many cases, the coordinates used are the canonical variables of Hamiltonian mechanics.
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Chemistry Another phase commonly encountered in the study of chemistry is the aqueous phase, which is the state of substances dissolved in aqueous solution (that is, in water). Less familiar phases include plasmas, Bose–Einstein condensates and fermionic condensates and the paramagnetic and ferromagnetic phases of magnetic materials.
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What is phase in waves? The term phase is meaningful for waves that repeat themselves over time. The period of one cycle of a wave is divided to [math]360^0 [/math]or [math]2\pi[/math] radians. A very common type of wave is known as a cosine wave. Such wave can be def...
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- A phase is defined as any homogeneous and physically distinct part of a system which is. separated from other parts of the system by interfaces. A part of a system is homogeneous if it has identical physical properties and chemical. composition throughout the part. • A phase may be gas, liquid or solid.